<template>
    <a-popover
            trigger="click"
            placement="bottomRight"
            :autoAdjustOverflow="true"
            :arrowPointAtCenter="true"
            overlayClassName="header-notice-wrapper"
            @visibleChange="handleHoverChange"
            :overlayStyle="{ width: '300px', top: '50px' }">
        <template slot="content">
            <a-spin :spinning="loadding">
                <a-tabs>
                    <a-tab-pane :tab="msg1Title" key="1">
                        <!--<a-list>
                          <a-list-item>
                            <a-list-item-meta title="你收到了 14 份新周报" description="一年前">
                              <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/ThXAXghbEsBCCSDihZxY.png"/>
                            </a-list-item-meta>
                          </a-list-item>
                          <a-list-item>
                            <a-list-item-meta title="你推荐的 IT大牛 已通过第三轮面试" description="一年前">
                              <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/OKJXDXrmkNshAMvwtvhu.png"/>
                            </a-list-item-meta>
                          </a-list-item>
                          <a-list-item>
                            <a-list-item-meta title="这种模板可以区分多种通知类型" description="一年前">
                              <a-avatar style="background-color: white" slot="avatar" src="https://gw.alipayobjects.com/zos/rmsportal/kISTdvpyTAhtGxpovNWd.png"/>
                            </a-list-item-meta>
                          </a-list-item>
                        </a-list>-->
                        <a-list>
                            <a-list-item :key="index" v-for="(record, index) in announcement1">
                                <div style="margin-left: 5%;width: 80%">
                                    <p><a @click="showAnnouncement(record)">{{ record.titile }}</a></p>
                                    <p style="color: rgba(0,0,0,.45);margin-bottom: 0px">{{ record.createTime }} 发布</p>
                                </div>
                                <div style="text-align: right">
                                    <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'L'"
                                           color="blue">一般消息
                                    </a-tag>
                                    <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'M'"
                                           color="orange">重要消息
                                    </a-tag>
                                    <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'H'" color="red">
                                        紧急消息
                                    </a-tag>
                                </div>
                            </a-list-item>
                            <div style="margin-top: 5px;text-align: center">
                                <a-button @click="toMyAnnouncement()" type="dashed" block>查看更多</a-button>
                            </div>
                        </a-list>
                    </a-tab-pane>
                    <a-tab-pane :tab="msg2Title" key="2">
                        <a-list>
                            <a-list-item :key="index" v-for="(record, index) in announcement2">
                                <div style="margin-left: 5%;width: 80%">
                                    <p><a @click="showAnnouncement(record)">{{ record.titile }}</a></p>
                                    <p style="color: rgba(0,0,0,.45);margin-bottom: 0px">{{ record.createTime }} 发布</p>
                                </div>
                                <div style="text-align: right">
                                    <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'L'"
                                           color="blue">一般消息
                                    </a-tag>
                                    <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'M'"
                                           color="orange">重要消息
                                    </a-tag>
                                    <a-tag @click="showAnnouncement(record)" v-if="record.priority === 'H'" color="red">
                                        紧急消息
                                    </a-tag>
                                </div>
                            </a-list-item>
                            <div style="margin-top: 5px;text-align: center">
                                <a-button @click="toMyAnnouncement()" type="dashed" block>查看更多</a-button>
                            </div>
                        </a-list>
                    </a-tab-pane>
                </a-tabs>
            </a-spin>
        </template>
        <span @click="fetchNotice" class="header-notice">
      <a-badge :count="msgTotal">
        <a-icon style="font-size: 16px; padding: 4px" type="bell"/>
      </a-badge>
    </span>
        <show-announcement ref="ShowAnnouncement" @ok="modalFormOk"></show-announcement>
        <dynamic-notice ref="showDynamNotice" :path="openPath" :formData="formData"/>
    </a-popover>
</template>

<script>
    import { getAction, putAction } from '@/api/manage'
    import ShowAnnouncement from './ShowAnnouncement'
    import store from '@/store/'
    import DynamicNotice from './DynamicNotice'

    export default {
        name: 'HeaderNotice',
        components: {
            DynamicNotice,
            ShowAnnouncement
        },
        data() {
            return {
                loadding: false,
                url: {
                    listCementByUser: '/sys/annountCement/listByUser',
                    editCementSend: '/sys/sysAnnouncementSend/editByAnntIdAndUserId',
                    queryById: '/sys/annountCement/queryById'
                },
                hovered: false,
                announcement1: [],
                announcement2: [],
                msg1Count: '0',
                msg2Count: '0',
                msg1Title: '通知(0)',
                msg2Title: '',
                stopTimer: false,
                websock: null,
                lockReconnect: false,
                heartCheck: null,
                formData: {},
                openPath: ''
            }
        },
        computed: {
            msgTotal() {
                return parseInt(this.msg1Count) + parseInt(this.msg2Count)
            }
        },
        mounted() {
            this.loadData()
            //this.timerFun();
            this.initWebSocket()
            // this.heartCheckFun();
        },
        destroyed: function() { // 离开页面生命周期函数
            this.websocketOnclose()
        },
        methods: {
            timerFun() {
                this.stopTimer = false
                let myTimer = setInterval(() => {
                    // 停止定时器
                    if (this.stopTimer == true) {
                        clearInterval(myTimer)
                        return
                    }
                    this.loadData()
                }, 6000)
            },
            loadData() {
                try {
                    // 获取系统消息
                    getAction(this.url.listCementByUser).then((res) => {
                        if (res.success) {
                            this.announcement1 = res.result.anntMsgList
                            this.msg1Count = res.result.anntMsgTotal
                            this.msg1Title = '通知(' + res.result.anntMsgTotal + ')'
                            this.announcement2 = res.result.sysMsgList
                            this.msg2Count = res.result.sysMsgTotal
                            this.msg2Title = '系统消息(' + res.result.sysMsgTotal + ')'
                        }
                    }).catch(error => {
                        console.log('系统消息通知异常', error)//这行打印permissionName is undefined
                        this.stopTimer = true
                        console.log('清理timer')
                    })
                } catch (err) {
                    this.stopTimer = true
                    console.log('通知异常', err)
                }
            },
            fetchNotice() {
                if (this.loadding) {
                    this.loadding = false
                    return
                }
                this.loadding = true
                setTimeout(() => {
                    this.loadding = false
                }, 200)
            },
            showAnnouncement(record) {
                putAction(this.url.editCementSend, { anntId: record.id }).then((res) => {
                    if (res.success) {
                        this.loadData()
                    }
                })
                this.hovered = false
                if (record.openType === 'component') {
                    this.openPath = record.openPage
                    this.formData = { id: record.busId }
                    this.$refs.showDynamNotice.detail(record.openPage)
                } else {
                    this.$refs.ShowAnnouncement.detail(record)
                }
            },
            toMyAnnouncement() {
                this.$router.push({
                    path: '/isps/userAnnouncement'
                })
            },
            modalFormOk() {
            },
            handleHoverChange(visible) {
                this.hovered = visible
            },

            initWebSocket: function() {
                return false;
                // WebSocket与普通的请求所用协议有所不同，ws等同于http，wss等同于https
                var userId = store.getters.userInfo.id
                var url = window._CONFIG['domianURL'].replace('https://', 'wss://').replace('http://', 'ws://') + '/websocket/' + userId
                //console.log(url);
                this.websock = new WebSocket(url)
                this.websock.onopen = this.websocketOnopen
                this.websock.onerror = this.websocketOnerror
                this.websock.onmessage = this.websocketOnmessage
                this.websock.onclose = this.websocketOnclose
            },
            websocketOnopen: function() {
                console.log('WebSocket连接成功')
                //心跳检测重置
                //this.heartCheck.reset().start();
            },
            websocketOnerror: function(e) {
                console.log('WebSocket连接发生错误')
                this.reconnect()
            },
            websocketOnmessage: function(e) {
                console.log('-----接收消息-------', e.data)
                var data = eval('(' + e.data + ')') //解析对象
                if (data.cmd == 'topic') {
                    //系统通知
                    this.loadData()
                } else if (data.cmd == 'user') {
                    //用户消息
                    this.loadData()
                }
                //心跳检测重置
                //this.heartCheck.reset().start();
            },
            websocketOnclose: function(e) {
                console.log('connection closed (' + e + ')')
                if (e) {
                    console.log('connection closed (' + e.code + ')')
                }
                this.reconnect()
            },
            websocketSend(text) { // 数据发送
                try {
                    this.websock.send(text)
                } catch (err) {
                    console.log('send failed (' + err.code + ')')
                }
            },

            openNotification(data) {
                var text = data.msgTxt
                const key = `open${Date.now()}`
                this.$notification.open({
                    message: '消息提醒',
                    placement: 'bottomRight',
                    description: text,
                    key,
                    btn: (h) => {
                        return h('a-button', {
                            props: {
                                type: 'primary',
                                size: 'small'
                            },
                            on: {
                                click: () => this.showDetail(key, data)
                            }
                        }, '查看详情')
                    }
                })
            },

            reconnect() {
                var that = this
                if (that.lockReconnect) return
                that.lockReconnect = true
                //没连接上会一直重连，设置延迟避免请求过多
                setTimeout(function() {
                    console.info('尝试重连...')
                    that.initWebSocket()
                    that.lockReconnect = false
                }, 5000)
            },
            heartCheckFun() {
                var that = this
                //心跳检测,每20s心跳一次
                that.heartCheck = {
                    timeout: 20000,
                    timeoutObj: null,
                    serverTimeoutObj: null,
                    reset: function() {
                        clearTimeout(this.timeoutObj)
                        //clearTimeout(this.serverTimeoutObj);
                        return this
                    },
                    start: function() {
                        var self = this
                        this.timeoutObj = setTimeout(function() {
                            //这里发送一个心跳，后端收到后，返回一个心跳消息，
                            //onmessage拿到返回的心跳就说明连接正常
                            that.websocketSend('HeartBeat')
                            console.info('客户端发送心跳')
                            //self.serverTimeoutObj = setTimeout(function(){//如果超过一定时间还没重置，说明后端主动断开了
                            //  that.websock.close();//如果onclose会执行reconnect，我们执行ws.close()就行了.如果直接执行reconnect 会触发onclose导致重连两次
                            //}, self.timeout)
                        }, this.timeout)
                    }
                }
            },

            showDetail(key, data) {
                this.$notification.close(key)
                var id = data.msgId
                getAction(this.url.queryById, { id: id }).then((res) => {
                    if (res.success) {
                        var record = res.result
                        this.showAnnouncement(record)
                    }
                })

            }
        }
    }
</script>

<style lang="css">
    .header-notice-wrapper {
        top: 50px !important;
    }
</style>
<style lang="less" scoped>
    .header-notice {
        display: inline-block;
        transition: all 0.3s;

        span {
            vertical-align: initial;
        }
    }
</style>
